Discuss the functions of stem.

Explanation

### Step-by-Step Solution:

1. **Spreading Out Branches**:
- The stem serves as the main axis of the plant, allowing it to grow upright and spread out branches. These branches bear leaves, flowers, and fruits, which are essential for photosynthesis, reproduction, and the overall growth of the plant.

2. **Conduction of Water and Minerals**:
- One of the primary functions of the stem is to conduct water and mineral salts absorbed by the roots to the leaves and fruits. This process is crucial for maintaining the plant's hydration and nutrient supply, enabling it to perform vital functions such as photosynthesis.

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